In order to protect Google Glasses, Google’s patent has been approved by UPSTO and it also gives details on how it would operate. The patent was filed on May 25, 2011 and got approved it today. Google has now patented a trackpad on both sides of the glasses frame that would work with the up, down, left and right gestures, and you’d also be able to select things using the very same trackpad.
You can get more info by looking at images where several actions are displayed and if you want more infor on patent than hit source link and head over to UPSTO.
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